US2875733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power driven tools
Assignee: NEIL IRWIN Manufacturing Co O
•
Filing: 1956-06-18
•
Granted: 1959-03-03
•
Expires: 1976-06-18
Abstract
No abstract record available.
Inventors
- 👤 Paul C Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:08
CPC Classifications
B; B30; B30B; B30B1/00; B30B1/26; B21; B21D; B21D5/00; B21D5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2192778A
Cited
US1582468A
Cited
US2161375A
Cited
US2282977A
Cited
US2599781A
Cited
DE843487C
Cited
US2780269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |